From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Test report detailing the physical properties of 'Castor Lubrine'.
| Identifier | ExFiles\Box 76\3\ scan0006 | |
| Date | 14th February 1916 | |
| R.R. 6 (500T) (S.C. 523-14-2-16) H.{Arthur M. Hanbury - Head Complaints} ROLLS-ROYCE, LIMITED. INSTRUCTIONS. To.................. Castor Lubrine Order No................ Customer's No................ Specific Gravity .928 Odour. Like burnt castor oil Colour. Medium amber. slightly opalescent. Viscosity 54.4°C 270 secs 100°C 67 " Flash Point (open) 218°C Open Heat Test 1hr. at 188°C Loss % 15.0 (Residue fair but darker & thicker) 1hr at 243°C Loss % 37.0 Residue Solid Signed................ This Sheet must be filed on completion of work. | ||